JPS5790A - Controlling device for induction motor - Google Patents
Controlling device for induction motorInfo
- Publication number
- JPS5790A JPS5790A JP7018880A JP7018880A JPS5790A JP S5790 A JPS5790 A JP S5790A JP 7018880 A JP7018880 A JP 7018880A JP 7018880 A JP7018880 A JP 7018880A JP S5790 A JPS5790 A JP S5790A
- Authority
- JP
- Japan
- Prior art keywords
- current
- sine wave
- control
- current command
- multiplication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/048—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using AC supply for only the rotor circuit or only the stator circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
PURPOSE:To make it possible to control motor gap magnetic flux and execute ideal current control and constant output control, by giving a given reference exciting current from outside by an exciting current regulator. CONSTITUTION:An operation circuit 3 transmits a current command from a speed control current amplifier 3a in accordance with a deviation between a command value of a speed setting circuit 1 and a detected value of a speed detecting generator 2. A multiplication calculater 5 and a division calculator 5' convert this current command value to a value which is corresponding to a reference exciting current command value and proportional to a slip frequency. A 2-phase sine wave generator 7 puts out a sine wave output voltage of 90 deg. phase difference. Multiplication calculators 8, 8', 9 and 9' multiply this sine wave output voltage over the current command and an output of an exciting current regulator 1'. OUtputs of the multiplication calculators 8, 8', 9 and 9', after having been added by addition circuits 10a and 11a, are given to an exciting winding through power amplifiers 12 and 13.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7018880A JPS5790A (en) | 1980-05-28 | 1980-05-28 | Controlling device for induction motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7018880A JPS5790A (en) | 1980-05-28 | 1980-05-28 | Controlling device for induction motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5790A true JPS5790A (en) | 1982-01-05 |
Family
ID=13424298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7018880A Pending JPS5790A (en) | 1980-05-28 | 1980-05-28 | Controlling device for induction motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5790A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS614484A (en) * | 1984-06-18 | 1986-01-10 | Yaskawa Electric Mfg Co Ltd | Control system of reluctance motor |
WO1986005043A1 (en) * | 1985-02-25 | 1986-08-28 | Fanuc Ltd | System for controlling torque of induction motor |
-
1980
- 1980-05-28 JP JP7018880A patent/JPS5790A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS614484A (en) * | 1984-06-18 | 1986-01-10 | Yaskawa Electric Mfg Co Ltd | Control system of reluctance motor |
WO1986005043A1 (en) * | 1985-02-25 | 1986-08-28 | Fanuc Ltd | System for controlling torque of induction motor |
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